Satellite based broadband in denet works on a rather simple premise. Wires and cables can't reach everywhere. It is expensive to dig up holes and plonk cables underneath. Satellites solve this problem, they can beam the intenet right from the sky. All you need are some satellites in space, a pesa sized dish antena, a tripod and a wifi router to go with it. And india is fast becoming a key battle ground for companies trying to conquer space.